<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Symbol创建对象属性</title>
</head>
<body>
    <script>
        //向对象中添加方法 up down
        let game = {
            name:'俄罗斯方块',
            up: function(){},
            down: function(){}
        };
        //声明一个对象
        let methods = {
            up:Symbol(),
            down:Symbol()
        }

        game[methods.up] = function(){
            console.log("我可以改变形状");
        }
        game[methods.down] = function(){
            console.log("我可以快下降");
        }

        console.log(game)

        
        let youxi = {
            name:"狼人杀",
            [Symbol('say')]: function(){
                console.log("我可以发言")
            },
            [Symbol('zibao')]: function(){
                console.log('我可以自爆');
            }
        }

        console.log(youxi)
        

    </script>
    
</body>
</html>